Seiko Cal. 6156 - 407

Released in 1982, the Cal. 6156 with design code 407 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-3e1ff0ceac6e]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1982

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