Seiko Cal. 4527 - 906

This Hand-Winding model from 1975 features a 40mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-9538f010451b]

Also known as: Crown, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

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