Seiko Cal. 5621 - 137

The 5621-137 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-0ad20da69b1d]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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