Seiko Cal. 7177 - 770

The Seiko 7177-770 represents an important milestone in Seiko's 1994 lineup. Powered by the 7177 caliber with 18j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-147abea3dce7]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1994

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