Seiko Cal. 5616 - 273

This Automatic model from 1981 features a 39mm Hardlex-Coated Steel case. Powered by the 5616 caliber with 24j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-a702518f81b3]

Also known as: Bullhead, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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