Seiko Cal. 5615 - 830

The 5615-830 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-2a141ed4dbee]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1968

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