Seiko Cal. 3810 - 739

This Hand-Winding model from 1986 features a 36mm Two-Tone case. It features a Cream dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-f93eaeb2ab63]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1986

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