Seiko Cal. 5618 - 380

This Quartz model from 1976 features a 40mm Titanium case. Powered by the 5618 caliber with 30j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-884dd4312f2c]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1976

Related Models

• Seiko 4487-536
• Seiko 6257-588
• Seiko 3833-590
• Seiko 7149-534
• Seiko 3860-139
• Seiko 7187-725
• Seiko 4593-706
• Seiko 6371-959
• Seiko 3870-265
• Seiko 7115-282
• Seiko 6185-261
• Seiko 7012-153