Seiko Cal. 5639 - 430

Released in 1988, the Cal. 5639 with design code 430 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-826a904c4948]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1988

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