Seiko Cal. 6634 - 584

This Solar model from 1972 features a 40mm Titanium case. Powered by the 6634 caliber with 25j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-0fbaff386108]

Also known as: Tuna, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1972

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