Seiko Cal. 3840 - 131

This Quartz model from 1972 features a 38mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-cf642e810923]

Also known as: World Timer, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1972

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