Seiko Cal. 6660 - 236

The Seiko 6660-236 represents an important milestone in Seiko's 1988 lineup. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-5aeaa9b4518c]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1988

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