Seiko Cal. 5677 - 535

The 5677-535 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-58d4549ff352]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1970

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