Seiko Cal. 4440 - 254

This Hand-Winding model from 1988 features a 45mm Hardlex-Coated Steel case. With its 21mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-a8016eb25357]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1988

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