Seiko Cal. 4539 - 412

The Seiko 4539-412 represents an important milestone in Seiko's 1983 lineup. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-03dab432e17f]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1983

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