Seiko Cal. 6631 - 830

This Hand-Winding model from 1993 features a 41mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-85b67592d89f]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1993

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