Seiko Cal. 7170 - 904

Seiko 7170-904

This Solar model from 1970 features a 44mm Titanium case. Powered by the 7170 caliber with 20j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-b2c2c5dcba36]

Also known as: Monster, Bellmatic

Specifications

Movement
Solar
Case Material
Titanium
Case Width
44mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
180m
Dial Color
Green
Jewels
20j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1970

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