Seiko Cal. 6366 - 117

This Spring Drive model from 1991 features a 37mm Stainless Steel case. Powered by the 6366 caliber with 31j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-b6baa84552d0]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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