Seiko Cal. 4578 - 761

Released in 1971, the Cal. 4578 with design code 761 was part of Seiko's domestic market collection. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-cf19ed28b68b]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1971

Related Models

• Seiko 7184-254
• Seiko 3896-285
• Seiko 6681-876
• Seiko 4554-100
• Seiko 3886-243
• Seiko 0778-386
• Seiko 6181-231
• Seiko 4554-911
• Seiko 6399-338
• Seiko 3848-348
• Seiko 6266-242
• Seiko 7147-697