Seiko Cal. 4487 - 748

The Seiko 4487-748 represents an important milestone in Seiko's 1976 lineup. Powered by the 4487 caliber with 36j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-3dde83f6c843]

Also known as: Sumo, Pogue

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1976

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