Seiko Cal. 4426 - 137

The 4426-137 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-90c403bfd56b]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1975

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