Seiko Cal. 4577 - 257

The Seiko 4577-257 represents an important milestone in Seiko's 1973 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b56193df3c3e]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1973

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