Seiko Cal. 6644 - 851

This Automatic model from 1977 features a 44mm Two-Tone case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-b8cae2a6dd11]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1977

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