Seiko Cal. 3840 - 318

This Quartz model from 1975 features a 44mm Hardlex-Coated Steel case. Powered by the 3840 caliber with 21j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-d3966184cf73]

Also known as: UFO, Arnie

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1975

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