Seiko Cal. 0730 - 870

Seiko 0730-870

The Seiko 0730-870 represents an important milestone in Seiko's 1970 lineup. Powered by the 0730 caliber with 22j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-7fb1aefaeb19]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
9.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1970

Related Models

seikata-wm-7fb1aefaeb19