Seiko Cal. 5637 - 618

The 5637-618 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-e17d67e14526]

Also known as: Crown, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1993

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