Seiko Cal. 6154 - 111

The Seiko 6154-111 represents an important milestone in Seiko's 1977 lineup. Powered by the 6154 caliber with 21j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-625085cb8a01]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1977

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