Seiko Cal. 5645 - 288

The Seiko 5645-288 represents an important milestone in Seiko's 1980 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-0c83d09ccc00]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1980

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