Seiko Cal. 5631 - 352

Seiko 5631-352

The Seiko 5631-352 represents an important milestone in Seiko's 1989 lineup. Powered by the 5631 caliber with 34j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-1b6cd676e5d8]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
39mm
Case Thickness
10.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
130m
Dial Color
White
Jewels
34j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1989

Related Models

seikata-wm-1b6cd676e5d8