Seiko Cal. 5287 - 740

This Hand-Winding model from 1970 features a 44mm Hardlex-Coated Steel case. With its 22mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-c9f8ca01a58f]

Also known as: Tuna, Panda

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1970

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