Seiko Cal. 5240 - 227

The Seiko 5240-227 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-f4b2c0822a47]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1973

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