Seiko Cal. 5621 - 164

The 5621-164 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-57616e5de37d]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1985

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