Seiko Cal. 3880 - 148

This Quartz model from 1975 features a 34mm Titanium case. Powered by the 3880 caliber with 31j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-e4c64f51db81]

Also known as: Helmet, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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