Seiko Cal. 6691 - 778

This Quartz model from 1999 features a 45mm Gold-Plated case. Powered by the 6691 caliber with 31j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-973fdeb9dfa2]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1999

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