Seiko Cal. 0770 - 380

Seiko 0770-380

This Automatic model from 1972 features a 38mm PVD Black case. Powered by the 0770 caliber with 21j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-1993bfeba268]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
9.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1972

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seikata-wm-1993bfeba268