Seiko Cal. 4538 - 825

The Seiko 4538-825 represents an important milestone in Seiko's 1970 lineup. Powered by the 4538 caliber with 30j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-e75c16168c64]

Also known as: Silverwave, Flighty

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

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