Seiko Cal. 6637 - 741

The 6637-741 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-e7e590bc87ea]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1970

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