Seiko Cal. 4581 - 421

Seiko 4581-421

The 4581-421 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4581 caliber with 22j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-9a4dc92ddb1d]

Also known as: Shogun, Silverwave

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Cream
Jewels
22j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1989

Related Models

seikata-wm-9a4dc92ddb1d