Seiko Cal. 5660 - 258

The Seiko 5660-258 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-914000707a66]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1987

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