Seiko Cal. 5621 - 691

The Seiko 5621-691 represents an important milestone in Seiko's 1994 lineup. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-d073236996ea]

Also known as: Samurai, Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1994

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