Seiko Cal. 5261 - 631

This Spring Drive model from 1967 features a 36mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-938477add8da]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1967

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