Seiko Cal. 6638 - 415

The Seiko 6638-415 represents an important milestone in Seiko's 1994 lineup. It features a White dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-3dee7f961d24]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1994

Related Models

• Seiko 5297-269
• Seiko 7039-713
• Seiko 7131-259
• Seiko 7133-105
• Seiko 3818-472
• Seiko 3854-499
• Seiko 6271-762
• Seiko 6696-598
• Seiko 6378-786
• Seiko 4572-657
• Seiko 4559-510
• Seiko 5261-357