Seiko Cal. 4592 - 639

This Spring Drive model from 1985 features a 44mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-7b0523a632c0]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1985

Related Models

• Seiko 6657-198
• Seiko 6324-637
• Seiko 6276-534
• Seiko 6310-909
• Seiko 6217-146
• Seiko 0744-836
• Seiko 7151-564
• Seiko 4578-227
• Seiko 5676-412
• Seiko 6253-427
• Seiko 4442-191
• Seiko 6652-168