Seiko Cal. 5644 - 152

The 5644-152 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-ed72fc2c4c70]

Also known as: Helmet, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1973

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