Seiko Cal. 6644 - 155

This Automatic model from 1979 features a 38mm Titanium case. Powered by the 6644 caliber with 36j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-3787b022fbc2]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1979

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