Seiko Cal. 5631 - 604

The Seiko 5631-604 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-d0ad098f94da]

Also known as: Pogue

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1985

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