Seiko Cal. 6639 - 288

This Solar model from 1992 features a 36mm Stainless Steel case. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-570f23d4a5a1]

Also known as: Bellmatic, Navigator

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1992

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