Seiko Cal. 6142 - 712

The 6142-712 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-927ddfcc119b]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1979

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