Seiko Cal. 4487 - 486

The 4487-486 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-0d25f07d61fa]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1977

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