Seiko Cal. 6180 - 231

The 6180-231 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6180 caliber with 20j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-292c22e4c231]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1980

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