Seiko Cal. 4478 - 974

This Spring Drive model from 1996 features a 40mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-95fbb9fab8c0]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1996

Related Models

• Seiko 3893-758
• Seiko 6338-775
• Seiko 0755-588
• Seiko 6691-164
• Seiko 6352-364
• Seiko 6343-450
• Seiko 5674-433
• Seiko 4568-725
• Seiko 7115-850
• Seiko 6367-968
• Seiko 7084-223
• Seiko 6180-981