Seiko Cal. 4442 - 866

The Seiko 4442-866 represents an important milestone in Seiko's 1973 lineup. Powered by the 4442 caliber with 32j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-52cf1948fa48]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1973

Related Models

• Seiko 4596-353
• Seiko 5686-854
• Seiko 7042-112
• Seiko 3822-573
• Seiko 0788-601
• Seiko 5229-317
• Seiko 7188-471
• Seiko 3817-846
• Seiko 6238-332
• Seiko 5296-859
• Seiko 5217-851
• Seiko 0764-242