Seiko Cal. 4521 - 255

The Seiko 4521-255 represents an important milestone in Seiko's 1977 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-6cf4fee3f4f5]

Also known as: Turtle, Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1977

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