Seiko Cal. 6156 - 410

Released in 1975, the Cal. 6156 with design code 410 was part of Seiko's domestic market collection. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d1d3daaf2ff5]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1975

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