Seiko Cal. 3849 - 635

The Seiko 3849-635 represents an important milestone in Seiko's 1985 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2014e15f006e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1985

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