Seiko Cal. 6140 - 686

Released in 1986, the Cal. 6140 with design code 686 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-e974c55947c6]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1986

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