Seiko Cal. 4513 - 642

The Seiko 4513-642 represents an important milestone in Seiko's 1978 lineup. Powered by the 4513 caliber with 24j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-94b4773f47bb]

Also known as: Navigator, Flighty

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1978

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