Seiko Cal. 6637 - 302

This Solar model from 1998 features a 35mm PVD Black case. Powered by the 6637 caliber with 20j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-f628be26afe4]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1998

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