Seiko Cal. 5637 - 190

Seiko 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

Related Models

seikata-wm-195a5e89e781