Seiko Cal. 7186 - 640

The Seiko 7186-640 represents an important milestone in Seiko's 1982 lineup. It features a Cream dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-2949bced9cb7]

Also known as: Silverwave, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1982

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