Seiko Cal. 6637 - 607

The 6637-607 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6637 caliber with 29j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-4e5c01a7b484]

Also known as: Samurai, Shogun

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1986

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