Seiko Cal. 6637 - 469

This Solar model from 1985 features a 35mm Titanium case. Powered by the 6637 caliber with 33j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-98df9d51734a]

Also known as: Silverwave, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1985

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