Seiko Cal. 3840 - 478

This Quartz model from 1969 features a 45mm Hardlex-Coated Steel case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-11aa78ba71e5]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1969

Related Models

• Seiko 6277-784
• Seiko 5639-717
• Seiko 0769-327
• Seiko 0765-869
• Seiko 6215-966
• Seiko 5685-553
• Seiko 6221-299
• Seiko 6374-758
• Seiko 4422-580
• Seiko 6247-527
• Seiko 4424-297
• Seiko 6646-570