Seiko Cal. 6140 - 426

Released in 1971, the Cal. 6140 with design code 426 was part of Seiko's domestic market collection. With its 21mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-3e8aa73af822]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

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