Seiko Cal. 4571 - 491

The Seiko 4571-491 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-05e2d5b00a23]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1968

Related Models

• Seiko 7154-806
• Seiko 5633-788
• Seiko 4551-912
• Seiko 7063-537
• Seiko 6187-959
• Seiko 5666-875
• Seiko 7036-593
• Seiko 6314-731
• Seiko 4518-805
• Seiko 5211-766
• Seiko 3852-333
• Seiko 5675-651