Seiko Cal. 5639 - 248

The Seiko 5639-248 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-00e2ab638510]

Also known as: Samurai, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1987

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