Seiko Cal. 6142 - 687

The 6142-687 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6142 caliber with 24j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-0cf8d5078791]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1987

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