Seiko Cal. 6644 - 176

The Seiko 6644-176 represents an important milestone in Seiko's 1981 lineup. Powered by the 6644 caliber with 35j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-6445752a6d19]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1981

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