Seiko Cal. 6638 - 989

The 6638-989 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-bc1bd3b71cd2]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1999

Related Models

• Seiko 6184-285
• Seiko 4496-312
• Seiko 6354-242
• Seiko 7045-643
• Seiko 5233-319
• Seiko 4428-950
• Seiko 4415-279
• Seiko 7043-775
• Seiko 6239-230
• Seiko 6637-447
• Seiko 4420-300
• Seiko 5265-202