Seiko Cal. 4557 - 644

Seiko 4557-644

Released in 1979, the Cal. 4557 with design code 644 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-9e154b5f11ea]

Also known as: Goldfeather, Flighty

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
8.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1979

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