Seiko Cal. 6645 - 274

The Seiko 6645-274 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-4596185414de]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1965

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