Seiko Cal. 5266 - 438

The 5266-438 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5266 caliber with 33j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-42dd009e9309]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1976

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