Seiko Cal. 6616 - 501

This Spring Drive model from 1965 features a 38mm Two-Tone case. It features a Champagne dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-50c533d256f0]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1965

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