Seiko Cal. 6681 - 748

The Seiko 6681-748 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-f912d0ac7422]

Also known as: Samurai, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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