Seiko Cal. 4451 - 181

The 4451-181 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4451 caliber with 36j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-2513cace5574]

Also known as: Monster, Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1999

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