Seiko Cal. 7077 - 650

The 7077-650 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7077 caliber with 26j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-3c4e24e9fb9c]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1984

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