Seiko Cal. 4425 - 242

The Seiko 4425-242 represents an important milestone in Seiko's 1982 lineup. It features a Silver dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-70579480b79f]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1982

Related Models

• Seiko 6671-314
• Seiko 6261-998
• Seiko 3891-687
• Seiko 6158-599
• Seiko 4589-237
• Seiko 0769-567
• Seiko 0770-509
• Seiko 6173-914
• Seiko 0795-120
• Seiko 7096-210
• Seiko 7179-764
• Seiko 6656-362