Seiko Cal. 4490 - 254

This Hand-Winding model from 1979 features a 38mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-86cfd53c6bfa]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1979

Related Models

• Seiko 5652-220
• Seiko 5671-721
• Seiko 6352-611
• Seiko 4464-325
• Seiko 0799-980
• Seiko 4544-373
• Seiko 7071-360
• Seiko 4587-101
• Seiko 7094-261
• Seiko 6253-189
• Seiko 6323-479
• Seiko 6291-271