Seiko Cal. 0770 - 878

The 0770-878 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0770 caliber with 36j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-764378debe05]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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