Seiko Cal. 6623 - 635

The 6623-635 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-5142bcb6ac0a]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1977

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