Seiko Cal. 3862 - 521

The Seiko 3862-521 represents an important milestone in Seiko's 1971 lineup. Powered by the 3862 caliber with 22j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-a4e0640c54df]

Also known as: World Timer, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1971

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