Seiko Cal. 4577 - 970

The Seiko 4577-970 represents an important milestone in Seiko's 1974 lineup. Powered by the 4577 caliber with 20j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-5bb2a0377bfe]

Also known as: Turtle, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1974

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