Seiko Cal. 3839 - 731

The Seiko 3839-731 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-09ecdac4d10d]

Also known as: Shogun, Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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