Seiko Cal. 5637 - 618

The 5637-618 is a sought-after Kinetic piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-afb7a22d295f]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1982

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