Seiko Cal. 0721 - 778

The 0721-778 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-a0cceebca88c]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1997

Related Models

• Seiko 4547-541
• Seiko 6277-875
• Seiko 5694-691
• Seiko 7135-846
• Seiko 6331-999
• Seiko 4512-459
• Seiko 7118-592
• Seiko 4432-904
• Seiko 0778-964
• Seiko 0714-234
• Seiko 6651-563
• Seiko 4436-398