Seiko Cal. 7021 - 309

The 7021-309 is a sought-after Solar piece from Seiko's golden era. Powered by the 7021 caliber with 34j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-6eed479c9fc0]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1983

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