Seiko Cal. 7121 - 389

The 7121-389 is a sought-after Solar piece from Seiko's golden era. Powered by the 7121 caliber with 28j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-cca18c2eb4b8]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

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