Seiko Cal. 5665 - 387

The 5665-387 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-fbcb415daf6d]

Also known as: Tuna, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1978

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