Seiko Cal. 6151 - 731

The 6151-731 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6151 caliber with 36j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-64d8d387617c]

Also known as: Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1976

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