Seiko Cal. 4577 - 401

This Spring Drive model from 1968 features a 37mm Titanium case. It features a Cream dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-9638d09e96f2]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1968

Related Models

• Seiko 6217-378
• Seiko 6242-533
• Seiko 4561-854
• Seiko 3870-337
• Seiko 4572-338
• Seiko 5635-487
• Seiko 6691-531
• Seiko 7054-857
• Seiko 4548-253
• Seiko 7187-696
• Seiko 0784-774
• Seiko 5214-642