Seiko Cal. 4427 - 215

The Seiko 4427-215 represents an important milestone in Seiko's 1981 lineup. Powered by the 4427 caliber with 19j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-865d298831f8]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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