Seiko Cal. 5697 - 648

The Seiko 5697-648 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-e0ab60f8067a]

Also known as: Tuna, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1981

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