Seiko Cal. 6633 - 643

This Solar model from 1986 features a 38mm Two-Tone case. Powered by the 6633 caliber with 20j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-c3807493ee49]

Also known as: Shogun, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1986

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