Seiko Cal. 4577 - 349

The Seiko 4577-349 represents an important milestone in Seiko's 1980 lineup. It features a Silver dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-5ef71d9e72c7]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1980

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