Seiko Cal. 5639 - 718

This Spring Drive model from 1983 features a 38mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-9708c8254362]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1983

Related Models

• Seiko 6320-696
• Seiko 6223-116
• Seiko 6353-568
• Seiko 4438-711
• Seiko 0788-376
• Seiko 6195-903
• Seiko 0739-482
• Seiko 6175-713
• Seiko 5637-820
• Seiko 3845-222
• Seiko 5647-633
• Seiko 7090-606