Seiko Cal. 5641 - 973

The 5641-973 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-6f3530cb3f90]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1998

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