Seiko Cal. 0712 - 389

The 0712-389 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0712 caliber with 18j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-f432cfee672f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1987

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