Seiko Cal. 5631 - 214

This Spring Drive model from 1979 features a 43mm Titanium case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-303e25fe5bd2]

Also known as: Turtle, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1979

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