Seiko Cal. 4447 - 277

The Seiko 4447-277 represents an important milestone in Seiko's 1974 lineup. Powered by the 4447 caliber with 34j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-27ff3d7a3728]

Also known as: Sumo, Panda

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1974

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