Seiko Cal. 4540 - 729

The 4540-729 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-b94cad33e7e4]

Also known as: Sumo, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1994

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