Seiko Cal. 4540 - 434

This Hand-Winding model from 1984 features a 42mm Titanium case. Powered by the 4540 caliber with 17j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-109c886a40e7]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1984

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