Seiko Cal. 4491 - 984

The Seiko 4491-984 represents an important milestone in Seiko's 1974 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-cc6ce78e6c89]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1974

Related Models

• Seiko 3852-152
• Seiko 6275-839
• Seiko 6187-686
• Seiko 3839-295
• Seiko 6685-945
• Seiko 6320-657
• Seiko 4454-271
• Seiko 7171-165
• Seiko 5267-388
• Seiko 5615-397
• Seiko 4525-192
• Seiko 7133-591