Seiko Cal. 0770 - 730

Seiko 0770-730

This Automatic model from 1971 features a 35mm Two-Tone case. Powered by the 0770 caliber with 33j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-a7e48b506cf6]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
35mm
Case Thickness
9.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
160m
Dial Color
Green
Jewels
33j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1971

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