Seiko Cal. 6312 - 631

This Quartz model from 1967 features a 36mm Stainless Steel case. With its 19mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-eff0aefc8acb]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1967

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