Seiko Cal. 6685 - 291

The Seiko 6685-291 represents an important milestone in Seiko's 1970 lineup. Powered by the 6685 caliber with 28j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-168994d7365c]

Also known as: Tuna, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1970

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