Seiko Cal. 6136 - 974

This Spring Drive model from 1971 features a 46mm PVD Black case. With its 21mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-c1767c0c08b1]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1971

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