Seiko Cal. 6681 - 747

The Seiko 6681-747 represents an important milestone in Seiko's 1992 lineup. It features a Navy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-ea462d68dd7b]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1992

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