Seiko Cal. 4581 - 868

Seiko 4581-868

The 4581-868 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4581 caliber with 33j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-692fa0c8e0d5]

Also known as: Monster, Crown

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
8.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Champagne
Jewels
33j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1973

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