Seiko Cal. 5684 - 437

The Seiko 5684-437 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-ee22cccd1932]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1981

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