Seiko Cal. 5681 - 321

This Automatic model from 1969 features a 38mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-85b1b66cf1d9]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1969

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