Seiko Cal. 6156 - 273

The Seiko 6156-273 represents an important milestone in Seiko's 1968 lineup. With its 22mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-913a5d5c6388]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1968

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