Seiko Cal. 4552 - 971

This Hand-Winding model from 1975 features a 35mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-e90a75425633]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1975

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