Seiko Cal. 4550 - 971

This Kinetic model from 1971 features a 37mm PVD Black case. Powered by the 4550 caliber with 19j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-08481375e9fd]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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