Seiko Cal. 4417 - 850

This Spring Drive model from 1978 features a 46mm Stainless Steel case. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-5e9b767b6aa7]

Also known as: Turtle, Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

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