Seiko Cal. 0777 - 437

The 0777-437 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-ce03fa011eda]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1988

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