Seiko Cal. 6641 - 639

The 6641-639 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-2f1349d7847b]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1997

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