Seiko Cal. 5645 - 616

The Seiko 5645-616 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-02f02c1b5124]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1988

Related Models

• Seiko 6320-195
• Seiko 7142-848
• Seiko 0786-691
• Seiko 5241-303
• Seiko 4480-516
• Seiko 6660-433
• Seiko 6244-922
• Seiko 6352-160
• Seiko 4558-468
• Seiko 0720-109
• Seiko 6124-885
• Seiko 5627-268