Seiko Cal. 4540 - 446

Seiko 4540-446

The 4540-446 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4540 caliber with 27j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-78fd8e3e555e]

Also known as: Samurai, Arnie

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
13.1mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1970

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