Seiko Cal. 5639 - 740

This Spring Drive model from 1998 features a 34mm PVD Black case. It features a Burgundy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-e14424806b3a]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1998

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