Seiko Cal. 4539 - 285

The Seiko 4539-285 represents an important milestone in Seiko's 1967 lineup. It features a Navy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-5c46090117ea]

Also known as: Monster, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1967

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