Seiko Cal. 6181 - 564

This Spring Drive model from 1977 features a 41mm Hardlex-Coated Steel case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-f69cc763bf5d]

Also known as: Panda, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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