Seiko Cal. 3840 - 993

The Seiko 3840-993 represents an important milestone in Seiko's 1974 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-00f595ab35d9]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1974

Related Models

• Seiko 0753-746
• Seiko 4519-323
• Seiko 6246-399
• Seiko 5682-992
• Seiko 7047-340
• Seiko 6237-422
• Seiko 6647-314
• Seiko 5638-956
• Seiko 6648-872
• Seiko 7111-200
• Seiko 7122-177
• Seiko 4537-257