Seiko Cal. 6181 - 337

The 6181-337 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c3eac1bc82e5]

Also known as: Monster, Sea Horse

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

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