Seiko Cal. 5613 - 381

The 5613-381 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-735d9bd85596]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1975

Related Models

• Seiko 5260-625
• Seiko 3889-761
• Seiko 6263-217
• Seiko 7032-473
• Seiko 5654-853
• Seiko 5244-920
• Seiko 5226-248
• Seiko 7190-419
• Seiko 5280-805
• Seiko 7199-655
• Seiko 6322-661
• Seiko 6175-418