Seiko Cal. 6637 - 978

This Solar model from 1993 features a 40mm Stainless Steel case. It features a Green dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-0aea86572b7b]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1993

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