Seiko Cal. 0770 - 255

Seiko 0770-255

This Hand-Winding model from 1984 features a 44mm Stainless Steel case. Powered by the 0770 caliber with 24j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-58923ced05eb]

Also known as: UFO, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
White
Jewels
24j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1984

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