Seiko Cal. 4428 - 481

The 4428-481 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-b9113754a77e]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

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