Seiko Cal. 6637 - 274

The 6637-274 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6637 caliber with 20j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-0c120442fdfd]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1988

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