Seiko Cal. 5275 - 431

The 5275-431 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5275 caliber with 33j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-132e7f5ba607]

Also known as: Rally, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1974

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