Seiko Cal. 6687 - 402

This Hand-Winding model from 1974 features a 46mm Gold-Plated case. Powered by the 6687 caliber with 17j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-bab1a2bfdb62]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1974

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