Seiko Cal. 5665 - 439

This Spring Drive model from 1994 features a 37mm Two-Tone case. It features a Cream dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-bcae494cd65a]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1994

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