Seiko Cal. 6637 - 216

The 6637-216 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6637 caliber with 33j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-eab0f63832c5]

Also known as: Pogue, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1981

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