Seiko Cal. 6638 - 367

This Solar model from 1976 features a 42mm Stainless Steel case. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-a25f369c9099]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1976

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