Seiko Cal. 6644 - 616

This Hand-Winding model from 1971 features a 45mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-34a95e113bc0]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1971

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