Seiko Cal. 5271 - 743

The Seiko 5271-743 represents an important milestone in Seiko's 1984 lineup. Powered by the 5271 caliber with 19j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-f73b13fc50e7]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1984

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