Seiko Cal. 6687 - 833

This Spring Drive model from 1969 features a 39mm Hardlex-Coated Steel case. Powered by the 6687 caliber with 25j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-447e175ac5f9]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1969

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