Seiko Cal. 4427 - 971

Released in 1985, the Cal. 4427 with design code 971 was part of Seiko's domestic market collection. Powered by the 4427 caliber with 20j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-bc9fe3145031]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1985

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