Seiko Cal. 4521 - 612

The Seiko 4521-612 represents an important milestone in Seiko's 1987 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-c0c22e5f1afc]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1987

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