Seiko Cal. 4445 - 474

This Spring Drive model from 1986 features a 39mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-1fc1267251ec]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1986

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