Seiko Cal. 6181 - 505

The 6181-505 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6181 caliber with 17j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-b5c2a5880718]

Also known as: Monster, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1984

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