Seiko Cal. 0728 - 694

The Seiko 0728-694 represents an important milestone in Seiko's 1976 lineup. Powered by the 0728 caliber with 21j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-4be93f45470b]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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