Seiko Cal. 6644 - 787

This Hand-Winding model from 1979 features a 42mm Gold-Plated case. It features a Burgundy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-b81426c64d5f]

Also known as: Turtle, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1979

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