Seiko Cal. 5641 - 921

The 5641-921 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-10de95319ff5]

Also known as: Goldfeather, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1982

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