Seiko Cal. 6637 - 790

Seiko 6637-790

The Seiko 6637-790 represents an important milestone in Seiko's 1993 lineup. Powered by the 6637 caliber with 23j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-d8b81a2ae4ec]

Also known as: Emperor, Arnie

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
36mm
Case Thickness
15.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
Champagne
Jewels
23j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1993

Related Models

seikata-wm-d8b81a2ae4ec