Seiko Cal. 0770 - 347

Seiko 0770-347

The 0770-347 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ec25e6081f6c]

Also known as: Tuna, Sea Horse

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Champagne
Jewels
34j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1980

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