Seiko Cal. 6654 - 547

This Hand-Winding model from 1969 features a 40mm Titanium case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1f1f42f67af0]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1969

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