Seiko Cal. 5615 - 873

The 5615-873 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-75ccf4db0920]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1968

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