Seiko Cal. 4540 - 344

This Kinetic model from 1970 features a 46mm Titanium case. Powered by the 4540 caliber with 36j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-e2d5f85d9e0a]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1970

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