Seiko Cal. 6658 - 903

This Quartz model from 1983 features a 43mm Two-Tone case. Powered by the 6658 caliber with 31j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-e9b48e8704d7]

Also known as: Turtle, Panda

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1983

Related Models

• Seiko 6340-678
• Seiko 6112-852
• Seiko 4417-127
• Seiko 3851-142
• Seiko 7050-186
• Seiko 7133-832
• Seiko 6634-394
• Seiko 6263-879
• Seiko 6297-400
• Seiko 7122-273
• Seiko 6230-294
• Seiko 5652-326