Seiko Cal. 4450 - 348

The 4450-348 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-9915f200dcd1]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1977

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