Seiko Cal. 6687 - 425

This Solar model from 1985 features a 36mm Stainless Steel case. Powered by the 6687 caliber with 21j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-acca54ac5b8d]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1985

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