Seiko Cal. 6630 - 229

This Hand-Winding model from 1969 features a 36mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-48ec5ad976d5]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1969

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