Seiko Cal. 6640 - 185

This Hand-Winding model from 1994 features a 42mm PVD Black case. It features a Burgundy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-4281b1df264a]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1994

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