Seiko Cal. 3840 - 563

This Automatic model from 1975 features a 40mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-824103c0a8da]

Also known as: World Timer, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1975

Related Models

• Seiko 7084-725
• Seiko 7185-331
• Seiko 4562-573
• Seiko 6154-788
• Seiko 7172-215
• Seiko 7126-620
• Seiko 6165-694
• Seiko 6625-305
• Seiko 6677-732
• Seiko 6196-361
• Seiko 7052-551
• Seiko 4511-540