Seiko Cal. 5691 - 403

The Seiko 5691-403 represents an important milestone in Seiko's 1979 lineup. Powered by the 5691 caliber with 25j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-4accebd3805f]

Also known as: Silverwave, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1979

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