Seiko Cal. 6140 - 442

The 6140-442 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-f947113f7d49]

Also known as: Panda, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1978

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