Seiko Cal. 4448 - 645

This Hand-Winding model from 1990 features a 36mm Stainless Steel case. With its 21mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-4ed27d704b5d]

Also known as: Tuna, Panda

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1990

Related Models

• Seiko 6273-434
• Seiko 0762-718
• Seiko 7130-918
• Seiko 5251-982
• Seiko 4413-350
• Seiko 3857-210
• Seiko 7016-643
• Seiko 5220-411
• Seiko 3820-354
• Seiko 3878-718
• Seiko 4514-876
• Seiko 0758-181