Seiko Cal. 0771 - 990

The Seiko 0771-990 represents an important milestone in Seiko's 1966 lineup. With its 22mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-839f01ccd16c]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1966

Related Models

• Seiko 6249-240
• Seiko 0763-460
• Seiko 0765-511
• Seiko 5680-526
• Seiko 6270-867
• Seiko 7180-566
• Seiko 7085-251
• Seiko 7187-620
• Seiko 0711-969
• Seiko 6622-119
• Seiko 6346-568
• Seiko 3840-991