Seiko Cal. 5637 - 120

The Seiko 5637-120 represents an important milestone in Seiko's 1975 lineup. Powered by the 5637 caliber with 27j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-def2030dcfa7]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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