Seiko Cal. 5621 - 677

The Seiko 5621-677 represents an important milestone in Seiko's 1984 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ffe001e32060]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1984

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