Seiko Cal. 4561 - 306

The Seiko 4561-306 represents an important milestone in Seiko's 1988 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-f5cc1d1c7dbf]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1988

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