Seiko Cal. 4577 - 380

The Seiko 4577-380 represents an important milestone in Seiko's 1971 lineup. Powered by the 4577 caliber with 35j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-d374c1d23804]

Also known as: Silverwave, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1971

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