Seiko Cal. 4548 - 390

This Spring Drive model from 1981 features a 45mm Stainless Steel case. With its 18mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-e51e9098de11]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1981

Related Models

• Seiko 6179-181
• Seiko 7094-712
• Seiko 4418-811
• Seiko 0724-282
• Seiko 6159-566
• Seiko 4529-370
• Seiko 4422-450
• Seiko 5652-119
• Seiko 3884-314
• Seiko 6680-601
• Seiko 3866-778
• Seiko 5272-675