Seiko Cal. 6690 - 180

This Spring Drive model from 1967 features a 34mm Stainless Steel case. Powered by the 6690 caliber with 26j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-713706c47d1b]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1967

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