Seiko Cal. 6156 - 511

The Seiko 6156-511 represents an important milestone in Seiko's 1972 lineup. Powered by the 6156 caliber with 27j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-482131642890]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1972

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