Seiko Cal. 4534 - 740

The 4534-740 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4534 caliber with 35j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-a416668c416b]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1992

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