Seiko Cal. 0730 - 103

Seiko 0730-103

The Seiko 0730-103 represents an important milestone in Seiko's 1968 lineup. Powered by the 0730 caliber with 28j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-88f1fa955ea9]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1968

Related Models

seikata-wm-88f1fa955ea9