Seiko Cal. 3880 - 940

This Quartz model from 1970 features a 46mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-c7879638aa39]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

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