Seiko Cal. 5674 - 536

The 5674-536 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5674 caliber with 22j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-a6b31b575099]

Also known as: Helmet, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1968

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