Seiko Cal. 3860 - 632

The Seiko 3860-632 represents an important milestone in Seiko's 1967 lineup. Powered by the 3860 caliber with 18j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-28d1c22be19d]

Also known as: Navigator, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1967

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