Seiko Cal. 6645 - 928

The 6645-928 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-3f05b461a93a]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1993

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