Seiko Cal. 4487 - 437

Seiko 4487-437

The Seiko 4487-437 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-d8826bfd7e52]

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
41mm
Case Thickness
13.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
26j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1965

Related Models

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