Seiko Cal. 4591 - 400

The Seiko 4591-400 represents an important milestone in Seiko's 1973 lineup. Powered by the 4591 caliber with 35j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-7a32ee065bf7]

Also known as: Bellmatic, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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