Seiko Cal. 6321 - 731

Seiko 6321-731

The Seiko 6321-731 represents an important milestone in Seiko's 1990 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-ba61d050949f]

Also known as: UFO, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
36mm
Case Thickness
11.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
70m
Dial Color
Burgundy
Jewels
32j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1990

Related Models

seikata-wm-ba61d050949f