Seiko Cal. 4539 - 418

The Seiko 4539-418 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-12dd78a68769]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

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