Seiko Cal. 3816 - 639

The Seiko 3816-639 represents an important milestone in Seiko's 1997 lineup. Powered by the 3816 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-c83e29b58746]

Also known as: Pogue, Panda

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1997

Related Models

• Seiko 3882-955
• Seiko 6218-923
• Seiko 6291-805
• Seiko 6685-214
• Seiko 3867-862
• Seiko 4593-488
• Seiko 7052-141
• Seiko 6119-618
• Seiko 0778-375
• Seiko 3820-178
• Seiko 7044-555
• Seiko 6318-553