Seiko Cal. 6647 - 308

This Solar model from 1978 features a 42mm Gold-Plated case. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-4626b614ff23]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1978

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