Seiko Cal. 5693 - 423

This Solar model from 1985 features a 43mm Two-Tone case. Powered by the 5693 caliber with 25j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-e95e836b83bf]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1985

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