Seiko Cal. 4539 - 999

This Spring Drive model from 1990 features a 37mm Two-Tone case. It features a Cream dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-87e5c8003f28]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1990

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