Seiko Cal. 6639 - 694

This Solar model from 1991 features a 40mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-e055eb136c94]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1991

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