Seiko Cal. 3827 - 639

This Automatic model from 1981 features a 42mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-445e308071cb]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1981

Related Models

• Seiko 6685-141
• Seiko 6644-180
• Seiko 6666-927
• Seiko 0710-806
• Seiko 5644-638
• Seiko 6688-772
• Seiko 7073-304
• Seiko 5294-610
• Seiko 6276-281
• Seiko 7043-655
• Seiko 4449-287
• Seiko 3853-340