Seiko Cal. 6172 - 520

The Seiko 6172-520 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2ba1949d1067]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1987

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