Seiko Cal. 4439 - 177

Seiko 4439-177

This Automatic model from 1971 features a 41mm PVD Black case. Powered by the 4439 caliber with 19j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-762efae158eb]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
41mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Green
Jewels
19j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1971

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seikata-wm-762efae158eb