Seiko Cal. 6143 - 729

The 6143-729 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-28b711a79a2a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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