Seiko Cal. 4433 - 770

Seiko 4433-770

This Solar model from 1981 features a 44mm PVD Black case. Powered by the 4433 caliber with 22j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-c5d6af2f3330]

Also known as: Monster, Helmet

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
44mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1981

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