Seiko Cal. 4531 - 652

The 4531-652 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4531 caliber with 24j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-1d47825d0089]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1973

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