Seiko Cal. 5690 - 733

This Solar model from 1977 features a 36mm Two-Tone case. Powered by the 5690 caliber with 25j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-86e3ab1018c6]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

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