Seiko Cal. 5681 - 418

Released in 1995, the Cal. 5681 with design code 418 was part of Seiko's domestic market collection. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-0df626cd541a]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1995

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