Seiko Cal. 4595 - 721

Seiko 4595-721

The 4595-721 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4595 caliber with 18j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-a45948ef4f6b]

Also known as: Monster, Shogun

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
10.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1975

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