Seiko Cal. 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

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