Seiko Cal. 6331 - 991

This Solar model from 1986 features a 42mm Stainless Steel case. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-b9af37779783]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1986

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