Seiko Cal. 6186 - 261

The 6186-261 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-95ee1162cd6d]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1984

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