Seiko Cal. 4577 - 864

The Seiko 4577-864 represents an important milestone in Seiko's 1989 lineup. It features a Silver dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-e32ce747c376]

Also known as: Sumo, Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

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