Seiko Cal. 0740 - 634

Seiko 0740-634

The Seiko 0740-634 represents an important milestone in Seiko's 1992 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-10516becc90e]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
13.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1992

Related Models

seikata-wm-10516becc90e