Seiko Cal. 0770 - 139

The 0770-139 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-be7183bf5c63]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1991

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