Seiko Cal. 6161 - 728

The Seiko 6161-728 represents an important milestone in Seiko's 1985 lineup. Powered by the 6161 caliber with 23j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-bdc322dac599]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1985

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