Seiko Cal. 4525 - 391

The Seiko 4525-391 represents an important milestone in Seiko's 1975 lineup. Powered by the 4525 caliber with 27j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-1e1108400c94]

Also known as: Goldfeather, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1975

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