Seiko Cal. 6642 - 235

The Seiko 6642-235 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-bbf4f214f75a]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1965

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