Seiko Cal. 3888 - 231

This Solar model from 1987 features a 40mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-074358fe0fcd]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1987

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