Seiko Cal. 6635 - 990

This Solar model from 1998 features a 37mm PVD Black case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c9524d7cb1d3]

Also known as: Tuna, Panda

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1998

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