Seiko Cal. 5285 - 304

The 5285-304 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-0998593c7b72]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1977

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