Seiko Cal. 6680 - 974

This Solar model from 1976 features a 38mm Two-Tone case. Powered by the 6680 caliber with 22j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-59ce94c2b32e]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1976

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