Seiko Cal. 6685 - 501

This Hand-Winding model from 1987 features a 37mm Titanium case. Powered by the 6685 caliber with 36j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-ce440aea0d0a]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1987

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