Seiko Cal. 6623 - 728

Seiko 6623-728

The 6623-728 is a sought-after Solar piece from Seiko's golden era. With its 18mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-87ad05d667f1]

Also known as: World Timer

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
40mm
Case Thickness
13.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1966

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seikata-wm-87ad05d667f1