Seiko Cal. 6638 - 436

The Seiko 6638-436 represents an important milestone in Seiko's 1996 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-0b7dd922a92b]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1996

Related Models

• Seiko 5284-320
• Seiko 4529-686
• Seiko 7059-997
• Seiko 6359-698
• Seiko 0714-862
• Seiko 0728-931
• Seiko 4428-282
• Seiko 0740-298
• Seiko 3884-380
• Seiko 6636-384
• Seiko 6642-650
• Seiko 4426-192