Seiko Cal. 4418 - 412

This Spring Drive model from 1989 features a 41mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-a33c64ae9e74]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1989

Related Models

• Seiko 7081-529
• Seiko 6672-530
• Seiko 6174-489
• Seiko 5650-166
• Seiko 6294-116
• Seiko 6656-381
• Seiko 7022-910
• Seiko 4533-884
• Seiko 7033-931
• Seiko 7141-324
• Seiko 5631-678
• Seiko 6277-487