Seiko Cal. 6685 - 665

The Seiko 6685-665 represents an important milestone in Seiko's 1976 lineup. Powered by the 6685 caliber with 31j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-f25696736021]

Also known as: Monster, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1976

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