Seiko Cal. 4487 - 170

The Seiko 4487-170 represents an important milestone in Seiko's 1991 lineup. It features a Silver dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-6f6f5324fe4a]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1991

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