Seiko Cal. 5687 - 636

This Solar model from 1991 features a 39mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-aad9f48cb186]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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