Seiko Cal. 4487 - 511

Seiko 4487-511

The Seiko 4487-511 represents an important milestone in Seiko's 1993 lineup. Powered by the 4487 caliber with 36j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-d66499788b27]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1993

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