Seiko Cal. 3840 - 640

This Kinetic model from 1981 features a 44mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-aa5f8782a1a7]

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

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