Seiko Cal. 3858 - 850

The Seiko 3858-850 represents an important milestone in Seiko's 1980 lineup. Powered by the 3858 caliber with 24j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-4f1d647e5b8e]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1980

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