Seiko Cal. 4481 - 347

The 4481-347 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4481 caliber with 31j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-ca6e43687b37]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

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