Seiko Cal. 3821 - 509

The Seiko 3821-509 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-71acc6853fcc]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1974

Related Models

• Seiko 6323-180
• Seiko 7117-546
• Seiko 3870-539
• Seiko 6222-265
• Seiko 6371-148
• Seiko 5683-384
• Seiko 7174-827
• Seiko 7136-729
• Seiko 5223-587
• Seiko 7159-984
• Seiko 7052-657
• Seiko 6274-136