Seiko Cal. 5640 - 248

The Seiko 5640-248 represents an important milestone in Seiko's 1992 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-7c47e629417f]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1992

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