Seiko Cal. 5693 - 733

This Quartz model from 1978 features a 39mm Two-Tone case. Powered by the 5693 caliber with 21j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-d22f1afd9342]

Also known as: Tuna, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1978

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