Seiko Cal. 6121 - 291

This Spring Drive model from 1976 features a 39mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-86eed1c42dbd]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1976

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