Seiko Cal. 4516 - 276

This Automatic model from 1967 features a 40mm Titanium case. Powered by the 4516 caliber with 26j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-6c51d7783388]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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