Seiko Cal. 6166 - 236

The 6166-236 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6166 caliber with 31j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-3a081c61f911]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1967

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