Seiko Cal. 6381 - 331

The Seiko 6381-331 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-14ab5fe26654]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1970

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