Seiko Cal. 5631 - 826

Seiko 5631-826

The 5631-826 is a sought-after Solar piece from Seiko's golden era. Powered by the 5631 caliber with 29j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-777f14bb7a77]

Also known as: Monster, World Timer

Specifications

Movement
Solar
Case Material
Titanium
Case Width
46mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
180m
Dial Color
Black
Jewels
29j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1965

Related Models

seikata-wm-777f14bb7a77