Seiko Cal. 3858 - 630

The Seiko 3858-630 represents an important milestone in Seiko's 1971 lineup. Powered by the 3858 caliber with 24j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-dc8229a3ad6c]

Also known as: Helmet, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1971

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