Seiko Cal. 0770 - 306

The Seiko 0770-306 represents an important milestone in Seiko's 1995 lineup. Powered by the 0770 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-d44a4f6cf803]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1995

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