Seiko Cal. 6665 - 761

The Seiko 6665-761 represents an important milestone in Seiko's 1990 lineup. It features a White dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-7ea52b393acc]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1990

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