Seiko Cal. 4487 - 709

Seiko 4487-709

The Seiko 4487-709 represents an important milestone in Seiko's 1996 lineup. Powered by the 4487 caliber with 28j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-8e2a468871ec]

Also known as: Bullhead, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
42mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Green
Jewels
28j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1996

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