Seiko Cal. 6161 - 591

The Seiko 6161-591 represents an important milestone in Seiko's 1967 lineup. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-b872f58e8091]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1967

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