Seiko Cal. 0728 - 216

The Seiko 0728-216 represents an important milestone in Seiko's 1969 lineup. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-00ec5d247649]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1969

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