Seiko Cal. 5637 - 190

The 5637-190 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5637 caliber with 35j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-195a5e89e781]

Also known as: Turtle, Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1972

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