Seiko Cal. 7157 - 512

This Spring Drive model from 1988 features a 39mm Stainless Steel case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-9365f46d1a67]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1988

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