Seiko Cal. 4498 - 242

The Seiko 4498-242 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-8738c3891863]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1987

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