Seiko Cal. 0777 - 171

The Seiko 0777-171 represents an important milestone in Seiko's 1970 lineup. Powered by the 0777 caliber with 18j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-e908578efff0]

Also known as: UFO, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1970

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