Seiko Cal. 6638 - 526

This Solar model from 1966 features a 38mm Titanium case. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-9a40a90796bd]

Also known as: Shogun, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1966

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