Seiko Cal. 0777 - 163

This Automatic model from 1975 features a 40mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-c649f25f0dfc]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1975

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