Seiko Cal. 5656 - 439

This Automatic model from 1988 features a 38mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-6cb6db274128]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1988

Related Models

• Seiko 5295-314
• Seiko 5656-112
• Seiko 7135-547
• Seiko 4587-563
• Seiko 4494-286
• Seiko 3880-102
• Seiko 6197-879
• Seiko 6352-209
• Seiko 6288-110
• Seiko 3833-230
• Seiko 6160-510
• Seiko 7032-810