Seiko Cal. 7143 - 507

This Solar model from 1982 features a 34mm Two-Tone case. Powered by the 7143 caliber with 27j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-f0d9a194a2d5]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1982

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