Seiko Cal. 6140 - 612

The 6140-612 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-e88e25749213]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1995

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