Seiko Cal. 4413 - 637

The 4413-637 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4413 caliber with 22j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-1369745caf97]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1992

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