Seiko Cal. 5637 - 183

The 5637-183 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5637 caliber with 18j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-a54672be11c1]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1995

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