Seiko Cal. 5616 - 642

This Quartz model from 1975 features a 36mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-485bf030bda0]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1975

Related Models

• Seiko 7091-620
• Seiko 5650-672
• Seiko 5220-291
• Seiko 6295-361
• Seiko 5671-919
• Seiko 6640-665
• Seiko 6242-158
• Seiko 6635-652
• Seiko 4543-535
• Seiko 3814-554
• Seiko 7134-974
• Seiko 6257-583