Seiko Cal. 6649 - 178

This Quartz model from 1984 features a 39mm Stainless Steel case. Powered by the 6649 caliber with 33j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-337bf10a7a9b]

Also known as: Tuna, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1984

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