Seiko Cal. 4540 - 365

This Kinetic model from 1976 features a 41mm Gold-Plated case. Powered by the 4540 caliber with 20j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-3a380ca080af]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1976

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