Seiko Cal. 4591 - 242

The Seiko 4591-242 represents an important milestone in Seiko's 1999 lineup. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-d1b27f57eb83]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1999

Related Models

• Seiko 7040-692
• Seiko 6139-969
• Seiko 6661-118
• Seiko 5668-731
• Seiko 6141-520
• Seiko 0752-641
• Seiko 5697-742
• Seiko 7122-308
• Seiko 5668-842
• Seiko 6169-106
• Seiko 5665-177
• Seiko 0768-282