Seiko Cal. 6641 - 898

The Seiko 6641-898 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-966a7888c2bd]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1976

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