Seiko Cal. 4443 - 810

The Seiko 4443-810 represents an important milestone in Seiko's 1977 lineup. Powered by the 4443 caliber with 31j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-4f668ebed8ee]

Also known as: Monster, Panda

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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