Seiko Cal. 5278 - 625

This Spring Drive model from 1977 features a 40mm Two-Tone case. With its 22mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-c225c4beb5e9]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

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