Seiko Cal. 5637 - 535

The Seiko 5637-535 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-6fe39ceaa889]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1984

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