Seiko Cal. 0778 - 646

The 0778-646 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-ba5aaeaecbb3]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1972

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