Seiko Cal. 6178 - 256

This Quartz model from 1970 features a 40mm Two-Tone case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e438da408a92]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1970

Related Models

• Seiko 6699-839
• Seiko 6688-230
• Seiko 6357-339
• Seiko 6288-846
• Seiko 7199-903
• Seiko 6316-256
• Seiko 3877-497
• Seiko 4587-931
• Seiko 0733-571
• Seiko 5615-416
• Seiko 6167-598
• Seiko 7117-705