Seiko Cal. 3810 - 643

The Seiko 3810-643 represents an important milestone in Seiko's 1965 lineup. It features a Silver dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-887d846969eb]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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