Seiko Cal. 5646 - 457

The Seiko 5646-457 represents an important milestone in Seiko's 1969 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-7e7902d71a25]

Also known as: Pogue, Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1969

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