Seiko Cal. 4427 - 374

This Hand-Winding model from 1999 features a 38mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-a7f30bb4229c]

Also known as: Helmet, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1999

Related Models

• Seiko 6318-232
• Seiko 4494-467
• Seiko 5264-298
• Seiko 6697-857
• Seiko 6267-843
• Seiko 6224-855
• Seiko 5218-718
• Seiko 5613-701
• Seiko 0797-865
• Seiko 6188-185
• Seiko 4461-465
• Seiko 7079-496