Seiko Cal. 6633 - 172

This Solar model from 1965 features a 36mm Hardlex-Coated Steel case. Powered by the 6633 caliber with 32j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-1bbb72c9fc55]

Also known as: Sumo, Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1965

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