Seiko Cal. 4510 - 831

The 4510-831 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4510 caliber with 18j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-57aabf8dc307]

Also known as: World Timer, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1988

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