Seiko Cal. 6637 - 546

This Solar model from 1993 features a 34mm Hardlex-Coated Steel case. Powered by the 6637 caliber with 32j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-1af57dc78dd9]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1993

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