Seiko Cal. 4521 - 985

Released in 1987, the Cal. 4521 with design code 985 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-caec3aa945c2]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1987

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