Seiko Cal. 4557 - 681

The Seiko 4557-681 represents an important milestone in Seiko's 1987 lineup. It features a Navy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-ef489e39bbda]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1987

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