Seiko Cal. 3868 - 745

The Seiko 3868-745 represents an important milestone in Seiko's 1970 lineup. Powered by the 3868 caliber with 27j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-c1fc6e939330]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

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