Seiko Cal. 3851 - 339

The Seiko 3851-339 represents an important milestone in Seiko's 1985 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-5787645d5e44]

Also known as: Helmet, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1985

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