Seiko Cal. 4537 - 826

The Seiko 4537-826 represents an important milestone in Seiko's 1967 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-9bc7b5d75880]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1967

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