Seiko Cal. 4510 - 635

The Seiko 4510-635 represents an important milestone in Seiko's 1979 lineup. Powered by the 4510 caliber with 17j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-e15c76853468]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1979

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