Seiko Cal. 5283 - 439

This Automatic model from 1978 features a 38mm Titanium case. Powered by the 5283 caliber with 21j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-1238511bb871]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1978

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