Seiko Cal. 7127 - 840

The 7127-840 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-fe3cbd54301e]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1966

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