Seiko Cal. 4487 - 704

Seiko 4487-704

The Seiko 4487-704 represents an important milestone in Seiko's 1967 lineup. Powered by the 4487 caliber with 25j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-5fd6c9711eaa]

Also known as: Samurai

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
13.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Black
Jewels
25j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1967

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