Seiko Cal. 5243 - 639

The 5243-639 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-5de79ea74d6e]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1981

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