Seiko Cal. 4541 - 187

This Hand-Winding model from 1972 features a 45mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-256ba917fbc7]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1972

Related Models

• Seiko 6658-647
• Seiko 7082-463
• Seiko 6645-872
• Seiko 5646-337
• Seiko 7052-138
• Seiko 4557-760
• Seiko 3892-661
• Seiko 6390-181
• Seiko 4486-843
• Seiko 4486-825
• Seiko 3811-742
• Seiko 6242-452