Seiko Cal. 6157 - 377

Released in 1972, the Cal. 6157 with design code 377 was part of Seiko's domestic market collection. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-db5ff5821a11]

Also known as: Bullhead, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1972

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