Seiko Cal. 5637 - 694

Seiko 5637-694

The 5637-694 is a sought-after Solar piece from Seiko's golden era. Powered by the 5637 caliber with 35j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-3c4797db330b]

Also known as: UFO, Emperor

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
9.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
120m
Dial Color
White
Jewels
35j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1990

Related Models

seikata-wm-3c4797db330b