Seiko Cal. 6331 - 499

This Hand-Winding model from 1996 features a 37mm Gold-Plated case. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-e1e9344cb68c]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1996

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