Seiko Cal. 4487 - 726

The Seiko 4487-726 represents an important milestone in Seiko's 1985 lineup. Powered by the 4487 caliber with 33j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-ca8670d22ff6]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1985

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