Seiko Cal. 5681 - 634

Released in 1992, the Cal. 5681 with design code 634 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-5de13fec16a0]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1992

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