Seiko Cal. 4587 - 820

The 4587-820 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4587 caliber with 20j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-73976a2ba15f]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1998

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