Seiko Cal. 6644 - 307

This Automatic model from 1978 features a 39mm Titanium case. It features a Burgundy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-a244f8f2ef35]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1978

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