Seiko Cal. 4470 - 528

The 4470-528 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-0d3392242c12]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1991

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