Seiko Cal. 6627 - 937

Released in 1988, the Cal. 6627 with design code 937 was part of Seiko's domestic market collection. Powered by the 6627 caliber with 33j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-dc12bf7702bb]

Also known as: Shogun, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1988

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