Seiko Cal. 3874 - 904

This Automatic model from 1965 features a 42mm Stainless Steel case. Powered by the 3874 caliber with 24j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-13eff55280b7]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1965

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