Seiko Cal. 0770 - 847

Seiko 0770-847

The 0770-847 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0770 caliber with 28j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-0429d303faa0]

Also known as: Helmet, Arnie

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Champagne
Jewels
28j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1983

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seikata-wm-0429d303faa0