Seiko Cal. 6231 - 721

This Spring Drive model from 1989 features a 41mm Titanium case. It features a Burgundy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-9aecdd20c083]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1989

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