Seiko Cal. 7151 - 133

The Seiko 7151-133 represents an important milestone in Seiko's 1966 lineup. Powered by the 7151 caliber with 18j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-6c7225e4822c]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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