Seiko Cal. 5220 - 537

The 5220-537 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-f55ef49a9a67]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1986

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