Seiko Cal. 7177 - 423

The Seiko 7177-423 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d40eac7e112e]

Also known as: Monster, Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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