Seiko Cal. 6616 - 336

This Solar model from 1968 features a 36mm PVD Black case. It features a Burgundy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-362aa976bec3]

Also known as: Tuna, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1968

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