Seiko Cal. 4478 - 485

Seiko 4478-485

This Kinetic model from 1988 features a 41mm PVD Black case. Powered by the 4478 caliber with 21j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-ae2677d4d516]

Also known as: Monster, Helmet

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
41mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1988

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seikata-wm-ae2677d4d516