Seiko Cal. 4487 - 561

The Seiko 4487-561 represents an important milestone in Seiko's 1968 lineup. It features a Silver dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-e98d0bbe0b6d]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1968

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