Seiko Cal. 4521 - 840

Seiko 4521-840

This Kinetic model from 1975 features a 39mm PVD Black case. Powered by the 4521 caliber with 36j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-15599b2cc48c]

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
39mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Silver
Jewels
36j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1975

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seikata-wm-15599b2cc48c