Seiko Cal. 4487 - 610

The Seiko 4487-610 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-df80eb21e4ec]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1975

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