Seiko Cal. 5251 - 506

The Seiko 5251-506 represents an important milestone in Seiko's 1972 lineup. Powered by the 5251 caliber with 36j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-02c4ec1d46d2]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1972

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