Seiko Cal. 6688 - 259

This Automatic model from 1974 features a 38mm PVD Black case. Powered by the 6688 caliber with 24j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-ece60770a0ba]

Also known as: Bellmatic, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1974

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