Seiko Cal. 4539 - 687

The 4539-687 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-fd1d561a447b]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1975

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