Seiko Cal. 6637 - 227

The 6637-227 is a sought-after Kinetic piece from Seiko's golden era. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-0358611dba3b]

Also known as: Panda, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1988

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