Seiko Cal. 5273 - 817

The Seiko 5273-817 represents an important milestone in Seiko's 1990 lineup. Powered by the 5273 caliber with 30j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-c696a12b91ef]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1990

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