Seiko Cal. 6638 - 645

This Solar model from 1984 features a 43mm Titanium case. It features a Silver dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-dc4216679a2f]

Also known as: Turtle, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1984

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