Seiko Cal. 4430 - 380

The Seiko 4430-380 represents an important milestone in Seiko's 1991 lineup. Powered by the 4430 caliber with 22j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-7ae6a81379b1]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1991

Related Models

• Seiko 6677-893
• Seiko 5665-250
• Seiko 4532-862
• Seiko 6147-263
• Seiko 3850-624
• Seiko 5257-138
• Seiko 0771-533
• Seiko 6677-136
• Seiko 7140-665
• Seiko 3899-574
• Seiko 6286-759
• Seiko 5665-635