Seiko Cal. 4591 - 602

The Seiko 4591-602 represents an important milestone in Seiko's 1972 lineup. Powered by the 4591 caliber with 32j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-a6e0ddb879ce]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1972

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