Seiko Cal. 0770 - 689

Seiko 0770-689

The 0770-689 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0770 caliber with 35j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-b54665e9f57b]

Also known as: Rally, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
34mm
Case Thickness
8.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1979

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