Seiko Cal. 4540 - 101

This Hand-Winding model from 1967 features a 41mm Two-Tone case. Powered by the 4540 caliber with 18j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-b91cfbbd65a6]

Also known as: Navigator, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1967

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