Seiko Cal. 5639 - 962

Released in 1996, the Cal. 5639 with design code 962 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-cd0881bd1bdf]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1996

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