Seiko Cal. 4447 - 970

The 4447-970 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-8e7c0e6d8539]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1991

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