Seiko Cal. 4577 - 268

The Seiko 4577-268 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-9f63e04ab454]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1987

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