Seiko Cal. 4448 - 515

This Spring Drive model from 1971 features a 44mm Gold-Plated case. It features a Silver dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-29f688bc135a]

Also known as: Monster, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1971

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