Seiko Cal. 6691 - 994

The Seiko 6691-994 represents an important milestone in Seiko's 1997 lineup. It features a Silver dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-b6c7d0550a5f]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1997

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