Seiko Cal. 6377 - 620

The Seiko 6377-620 represents an important milestone in Seiko's 1966 lineup. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-dc7ed70a6f47]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1966

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