Seiko Cal. 6621 - 763

The 6621-763 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-ccb0fd687f6c]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1974

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