Seiko Cal. 6645 - 818

The Seiko 6645-818 represents an important milestone in Seiko's 1994 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-f2abcdbfe0fa]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1994

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