Seiko Cal. 5225 - 640

This Hand-Winding model from 1988 features a 37mm Two-Tone case. It features a Champagne dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-6da590e9f956]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1988

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