Seiko Cal. 5637 - 191

Seiko 5637-191

The 5637-191 is a sought-after Solar piece from Seiko's golden era. Powered by the 5637 caliber with 19j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-f70bbe5ea9a1]

Also known as: Shogun, UFO

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
39mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Green
Jewels
19j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1984

Related Models

seikata-wm-f70bbe5ea9a1