Seiko Cal. 3840 - 846

This Hand-Winding model from 1985 features a 40mm Two-Tone case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6b9eb5d2335c]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1985

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