Seiko Cal. 5657 - 755

The 5657-755 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-b15f6d0b3b6c]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1973

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