Seiko Cal. 4577 - 910

The Seiko 4577-910 represents an important milestone in Seiko's 1981 lineup. Powered by the 4577 caliber with 30j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-3fb2952446e1]

Also known as: Panda

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1981

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