Seiko Cal. 6677 - 137

The 6677-137 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-e89864c96059]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

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