Seiko Cal. 4445 - 447

The Seiko 4445-447 represents an important milestone in Seiko's 1987 lineup. Powered by the 4445 caliber with 29j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-689225ea7ffb]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1987

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