Seiko Cal. 7057 - 637

The Seiko 7057-637 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-d1ba2dc9593e]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1973

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