Seiko Cal. 7020 - 389

Seiko 7020-389

The Seiko 7020-389 represents an important milestone in Seiko's 1973 lineup. Powered by the 7020 caliber with 32j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-1adef38f6a80]

Also known as: Sumo, Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
9.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
White
Jewels
32j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1973

Related Models

seikata-wm-1adef38f6a80