Seiko Cal. 4447 - 357

The Seiko 4447-357 represents an important milestone in Seiko's 1977 lineup. Powered by the 4447 caliber with 36j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-235fb370bb0f]

Also known as: Panda, UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1977

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