Seiko Cal. 5647 - 581

Released in 1978, the Cal. 5647 with design code 581 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-70e29775ce71]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1978

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