Seiko Cal. 6681 - 385

The Seiko 6681-385 represents an important milestone in Seiko's 1967 lineup. Powered by the 6681 caliber with 30j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-8b7df123c086]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1967

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