Seiko Cal. 3880 - 365

This Solar model from 1977 features a 45mm Titanium case. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-704a898ffb08]

Also known as: Tuna, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1977

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