Seiko Cal. 0731 - 527

The 0731-527 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-c049783ddcd9]

Also known as: Tuna, Panda

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1987

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