Seiko Cal. 7143 - 412

The 7143-412 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7143 caliber with 27j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-f27f9af2bd7b]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

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