Seiko Cal. 0770 - 491

Seiko 0770-491

This Hand-Winding model from 1980 features a 34mm Stainless Steel case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-b95cb6c824f8]

Also known as: Bullhead, Navigator

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Cream
Jewels
27j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1980

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