Seiko Cal. 5278 - 665

The 5278-665 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-373025aab9b7]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1987

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