Seiko Cal. 4487 - 715

This Hand-Winding model from 1978 features a 41mm Stainless Steel case. With its 20mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-f19d3e267471]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1978

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