Seiko Cal. 4525 - 549

This Spring Drive model from 1969 features a 41mm Stainless Steel case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-b550eaf0cd08]

Also known as: UFO, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1969

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