Seiko Cal. 5644 - 204

This Spring Drive model from 1995 features a 43mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-0bbacd089370]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1995

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