Seiko Cal. 5634 - 538

The Seiko 5634-538 represents an important milestone in Seiko's 1998 lineup. It features a Black dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-125166b70573]

Also known as: Helmet, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1998

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