Seiko Cal. 4499 - 634

The Seiko 4499-634 represents an important milestone in Seiko's 1968 lineup. Powered by the 4499 caliber with 25j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-80b00834f289]

Also known as: Monster, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1968

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