Seiko Cal. 6637 - 730

This Solar model from 1991 features a 37mm PVD Black case. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-087061757518]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1991

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