Seiko Cal. 4578 - 761

The 4578-761 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-f75bfff4a68e]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1999

Related Models

• Seiko 6320-944
• Seiko 3844-512
• Seiko 6357-439
• Seiko 5641-649
• Seiko 6631-451
• Seiko 6293-655
• Seiko 5683-204
• Seiko 6383-862
• Seiko 7127-321
• Seiko 4412-530
• Seiko 0763-882
• Seiko 6396-528