Seiko Cal. 6381 - 923

The Seiko 6381-923 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-2c7839203e14]

Also known as: Shogun, Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1970

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