Seiko Cal. 6685 - 977

This Hand-Winding model from 1989 features a 37mm Stainless Steel case. Powered by the 6685 caliber with 28j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-e9a9e847eb1b]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1989

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