Seiko Cal. 5664 - 662

This Solar model from 1968 features a 40mm Stainless Steel case. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-c891945f2c89]

Also known as: Tuna, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1968

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