Seiko Cal. 7063 - 231

The Seiko 7063-231 represents an important milestone in Seiko's 1981 lineup. Powered by the 7063 caliber with 26j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-bac5b80cbadd]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1981

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