Seiko Cal. 6631 - 151

This Solar model from 1992 features a 37mm Hardlex-Coated Steel case. Powered by the 6631 caliber with 31j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-2d8a98cf750d]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1992

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