Grand Seiko 56GS complete guide

Second in variety and number of models only to the 61GS series, the 56GS family consists of three automatic calibers: 5641A (no-date), 5645A (date) and 5646A (day/date).

56GS No-Date Caliber 5641

Ref. 5641-5000 (56GA 046)

Movement: 5641
Type: automatic
Jewels: 25
Bph: 28.800
Case: 18k gold

The technique used to create the dial of this watch was taken as a model for the creation of the Snowflake.

Ref. 5641-7000 (56GA 010)

Movement: 5641
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5641-7005 (56GA 010)

Movement: 5641
Type: automatic
Jewels: 25
Bph: 28.800
Case: 18k gold

56GS Date Caliber 5645

Ref. 5645-7010/5645-7011 (56GAC 020)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5645-7010/5645-7011 (56GAC 020)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5645-7010/5645-7011 (56GAC 020)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: gold cap

Ref. 5645-7010/5645-7011 (56GAC 021)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5645-7010/5645-7011 (56GAC 024)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5645-7000 (56GAC 010)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5645-5000 (56GAC 046)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: 18k gold

The technique used to create the dial of this watch was taken as a model for the creation of the Snowflake.

Ref. 5645-5010 (56GAC 050)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5645-5010 (56GAC 064)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5645-7005 (56GAC 010/HAS660)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: 18k gold

Ref. 5645-8000 (56GAC 030)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5645-8000 (56GAC 035)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5645-8000 (56GAC 036)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: 18k gold

Ref. 5645-8000 (56GAC 086)

Movement: 5645
Type: automatic
Jewels: 25
Bph: 28.800
Case: 18k gold

Starlight dial.

56GS Day-Date Caliber 5646

Ref. 5646-7010/5646-7011 (56GAW 020)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: gold cap

Ref. 5646-7010/5646-7011 (56GAW 020/GAR02S)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-7010/5646-7011 (56GAW 020/GAR020)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-7010/5646-7011 (56GAW 020/GAR020)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-7010/5646-7011 (56GAW 021)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-7010/5646-7011 (56GAW 024/GAR03E)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-5010 (56GAW 054)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-5010 (56GAW 066)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-7000 (56GAW 010)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-7005 (56GAW 010/HAR600)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: 18k gold

Ref. 5646-7020 (56GAW 096)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-7030 (56GAW 100/GAR08S)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-7040 (56GAW 110)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-8000 (56GAW 030)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-8000 (56GAW 035)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: stainless steel

Ref. 5646-8000 (56GAW 036)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: 18k gold

Ref. 5646-8000 (56GAW 086)

Movement: 5646
Type: automatic
Jewels: 25
Bph: 28.800
Case: 18k gold

Starlight dial.

MovementTypeJewelsBphComplicationsTechnical information
5641AAutomatic2528.800Japanese
5645AAutomatic2528.800DateJapanese
5646AAutomatic2528.800Day/DateJapanese