Seiko Cal. 6638 - 561

This Solar model from 1966 features a 40mm Titanium case. With its 19mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-4f872bad001c]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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