Seiko Cal. 6623 - 602

The 6623-602 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-82e6f32270a9]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1990

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