Seiko Cal. 5261 - 487

The Seiko 5261-487 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-5b3c06b5da5b]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1981

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