Seiko Cal. 6181 - 631

The Seiko 6181-631 represents an important milestone in Seiko's 1989 lineup. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-94d5c8e0a2ca]

Also known as: Samurai, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1989

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