Seiko Cal. 7028 - 366

The 7028-366 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-eea89845bc74]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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