Seiko Cal. 0776 - 747

The Seiko 0776-747 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-57dc37dd84c0]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1971

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