Seiko Cal. 6687 - 752

This Solar model from 1966 features a 38mm Gold-Plated case. Powered by the 6687 caliber with 32j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-8c77f29b3e96]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1966

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