Seiko Cal. 4428 - 265

This Kinetic model from 1966 features a 37mm PVD Black case. Powered by the 4428 caliber with 19j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-6242646c8399]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1966

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