Seiko Cal. 5226 - 137

The 5226-137 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-296fe061f95e]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

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