Seiko Cal. 0777 - 740

The Seiko 0777-740 represents an important milestone in Seiko's 1970 lineup. With its 20mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-91b12a186ebe]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1970

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